The Seiko 7N42-0EG0 is a watch model based on the 7N42 movement.
Parts List
| 290PX5JN02 | crystal - crystal (inorganic) |
| 8K55B6SNN1 | crown - crown (4h) |
| 8K55B6SNG3 | crown - crown |
| 8K55B6SNS0 | crown - crown |
| FE318BAD2 | case back gasket - case back gasket |
| 86565321 | crystal gasket - plastic gasket for crystal |
| 86565320 | crystal gasket - plastic gasket for crystal |
| 4A0F1MX-LK | band - link |
| 4A0F1JX | band - metal band |
| 4A0F1JX-LK | band - link |
| 4A0F1LX | band - metal band |
| 4A0F1LX-LK | band - link |
| 4A0F1MX | band - metal band |
| 4A0F1MX-BK | clasp - clasp |
| 4A0F1LX-PB | clasp - parts for buckle/clasp |
| 4A0F1LX-BK | clasp - clasp |
| 4A0F1JX-PB | clasp - parts for buckle/clasp |
| 4A0F1JX-BK | clasp - clasp |
| 4A0F1MX-PB | clasp - parts for buckle/clasp |
| 2BX110FMBEG | hand - minute hand |
| 2BX110FMBES | hand - minute hand |
| 3AX125F3AZL | others - second hand |
| 3AX125F3AZP | others - second hand |
| 1AX075FPBEG | others - hour hand |
| 1AX075FPBES | others - hour hand |
| 3AX125F3AEG | others - second hand |
| 81180189 | others - bracelet fixing pipe |
| 81613149 | others - bracelet fixing pin |
| 82824420 | others - case ring |
| 0Z3214B02 | others - rotating bezel gasket |
| 81331969 | others - bezel spring |
| AD006BAD1 | others - crown and stem gasket |
| 0351892 | others - winding stem |
| 7N420EG0 | others - case back |
| 7N420EG001B | others - case |
| 7N420EG002B | others - case |
| 7N420EG003B | others - case |
| 7N420GX8XB13 | others - dial |
| 7N420GX8XB23 | others - dial |
| 7N420GX8XS14 | others - dial |
| 7N423 | others - machine code |
| 84384424 | others - dial ring(set) |
| 84384425 | others - dial ring(set) |
| 84384426 | others - dial ring(set) |
| 87070464 | others - rotating bezel |
| 87070465 | others - rotating bezel |
| 87070466 | others - rotating bezel |
| 0878580 | others - date dial |